MI 2893 / MI 2892 / MI 2885
U, I, f
42
Figure 27: Trends of all currents
Figure 28: Frequency trend
Table 11: Instrument screen symbols and abbreviations
U1, U2, U3, Un,
U12, U23, U31
Maximal ( ), average ( ) and minimal ( ) value of phase RMS voltage U
1
, U
2
, U
3
,
U
N
or line voltage U
12
, U
23
, U
31
for time interval (IP) selected by cursor.
I1, I2, I3, In
Maximal ( ), average ( ) and minimal ( ) value of current I
1
,
I
2
, I
3
, I
N
for time
interval (IP) selected by cursor.
f
Maximal ( ), active average ( ) and minimal ( ) value of frequency at
synchronization channel for time interval (IP) selected by cursor.
10.May.2013
02:02:00
Timestamp of interval (IP) selected by cursor.
32m 00s
Current GENERAL RECORDER time
(d - days, h - hours, m - minutes, s - seconds)
Table 12: Keys in Trend screens
Selects between the following options:
U
I f U,I U/I
Shows voltage trend.
U
I
f U,I U/I
Shows current trend.
U I
f
U,I U/I
Shows frequency trend.
U I f
U,I
U/I
Shows voltage and current trend (single mode).
U I f U,I
U/I
Shows voltage and current trend (dual mode).
Selects between phases, neutral channel, all-phases view:
1
2 3 N
Shows trend for phase L1.
1
2
3 N
Shows trend for phase L2.
1
2
3
N
Shows trend for phase L3.
1
2 3
N
Shows trend for neutral channel.
1
2 3 N
Shows all phases trends.
12
23 31
Δ
Shows trend for phases L12.
12
23
31
Δ
Shows trend for phases L23.
12
23
31
Δ
Shows trend for phases L31.
12
23 31
Δ
Shows all phase-to-phase trends.
F2
F3
